package chapter02;

public class Eaxmple21 {
    public static void main (String[] args){
        int sum1 = add (1,2);
        int sum2 = add(1,2,3);
        double sum3 = add(1.2,2.3);
        System.out.println("sum1" + sum1);
        System.out.println("sum2" + sum2);
        System.out.println("sum3" + sum3);
        }
        public static int add (int x, int y){
        return  x + y;
    }
    public static int add(int x, int y, int z){
        return x + y + z;
    }
    public static double add (double x, double y){
        return x + y;
    }
}
